Yesterday Andrew McGill posted the message below on the Gauteng Linux User Group mailing list. Because he is not blogging I’m doing it for him. What he is describing is one of the biggest frustrations people have with so called new and improved software. more....
Tag Archive for 'open source'
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Virtualizing a Supercomputer
bridges writes "The V3VEE project has announced the release of version 1.2 of the Palacios virtual machine monitor following the successful testing of Palacios on 4096 nodes of the Sandia Red Storm supercomputer, the 17th-fastest in the world. The added overhead of virtualization is often a show-stopper, but the researchers observed less than 5% overhead for two real, communication-intensive applications running in a virtual machine on Red Storm. Palacios 1.2 supports virtualization of both desktop x86 hardware and Cray XT supercomputers using either AMD SVM or Intel VT hardware virtualization extensions, and is an active open source OS research platform supporting projects at multiple institutions. Palacios is being jointly developed by researchers at Northwestern University, the University of New Mexico, and Sandia National Labs." The ACM's writeup has more details of the work at Sandia.
Anyone that runs a mail server very quickly learns how to fight spam if he wants to do his job properly. It is also one of the favourite pastimes of the clueless to think up stupid ways to fight spam. Today I saw a brilliant answer to one of these ideas on the postfix mail list. more....
Wordpress, the software I use for this blog is great and has a wonderful plugin system that allows people to add functionality that is not originally included in wordpress. Unfortunately many of the available plugins are not so wonderful and often do not work as expected (advertised). more....
